PERCENTAGE MCQ SET 9
Q1. A number is first decreased by 28% and then increased by 28% . The number so obtained is 84 less than the original number . Find the value of the original number .
(a)15000
(b)1500
(c)10000
(d)1000
Answer: C
Q2. The price of Rafale first increased by 16 2/3% and there after decreased by 7 1/7% . What was the change in total price .
(a)8 1/3% increase
(b)8 1/3% decrease
(c)None of these
(d)No change
Answer: A
Q3. A worker has an increase of 12 ยฝ% in her wages rate per hour but there is a drop of 10% in the number of hours worked per week . If her original weekly wages for a week of 40 hours is Rs. 38,400 , then the percentage increase in her total weekly wages is:
(a)1.25%
(b)2%
(c)2.25%
(d)1.15%
Answer: A
Q4. Basirโs working hours per day were increased by 15% and his wages per hour were increased by 20% . By how much percent did his daily earning increase?
(a)40
(b)38
(c)35
(d)36
Answer: B
Q5. h variables x and y are decreased by 20% . By this , the percentage value of the expression xy is decreased by.
(a)36%
(b)44%
(c)40%
(d)None of these
Answer: D
Q6. When the price of a watch was reduced by 20% , the number of watches sold is increased by 40% . What was the effect on the sales in percentage?
(a)12% Increase
(b)30% Decrease
(c)12% Decrease
(d)30% Increase
Answer: A
Q7. A number is first increased by 40% and then decreased by 25% , again increased by 15% and then decreased by 20% . What is the net increase per cent in the number?
(a)7.2% Increase
(b)3.4% Increase
(c)6.4% Increase
(d)3.4% Decrease
ย Answer: B
Q8. A personโs salary was decreased by 50% and subsequently increased by 50% and then again increased by 100% . How much percentage does he lose or gain?
(a)Loss of 40%
(b)Gain of 50%
(c)Gain of 25%
(d)Loss of 10%
Answer: B
Q9. The number first increased by 16% and then increased by 14% . The number , so obtained , is now decreased by 30% . What is the net increase or decrease percent in the net increase or decrease percent in the original number (nearest to an integer) ?
(a)6% increase
(b)7% decrease
(c)No decrease
(d)9% decrease
Answer: B
Q10. Consumption of wheat increases by 20% and expenditure increases by 50% . What will be the effect on price?
(a)20% increase
(b)20% decrease
(c)25% increase
(d)25% decrease
Answer: C
Leave a Reply